v3.26.3
Share-Based Compensation - Additional Information (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2025
Sep. 30, 2026
USD ($)
period
shares
Sep. 30, 2025
OmniAb          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Unrecognized stock-based compensation expense $ 14,300,000 $ 14,300,000   $ 14,300,000  
Aggregate intrinsic value of options exercised       400,000  
Cash received from options exercised       1,600,000  
Ligand          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Aggregate intrinsic value of options exercised       $ 0  
Stock options          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Expiration period       10 years  
Dividend yield   0.00% 0.00% 0.00% 0.00%
Stock options | OmniAb          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Weighted-average period for recognition       1 year 3 months 18 days  
Restricted stock units          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Award vesting period       3 years  
Restricted stock units | OmniAb          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Weighted-average period for recognition       1 year 2 months 19 days  
Unrecognized stock-based compensation expense related to RSUs and ESPP 3,500,000 $ 3,500,000   $ 3,500,000  
Intrinsic value of RSUs vested       $ 1,400,000  
Employee share purchase plan          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Weighted-average period for recognition       8 months 15 days  
Unrecognized stock-based compensation expense related to RSUs and ESPP $ 200,000 $ 200,000   $ 200,000  
Series of offering periods       24 months  
Number of offering periods | period       4  
Offering period       6 months  
Purchase price of common stock expressed as a percentage of its fair value       85.00%  
Shares available to be issued under ESPP (in shares) | shares 4,808,025 4,808,025   4,808,025  
Increase in shares available for issuance, percent 0.01        
Shares issued (in shares) | shares       279,507  
Share-Based Payment Arrangement, Tranche One          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Award vesting period, percentage       12.50%  
Award vesting period       6 months  
Share-Based Payment Arrangement, Tranche Two          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Award vesting period, percentage       2.10%  
Award vesting period       42 months